Finding the Fourth Proportional to 910,318,338.06, 1,256,234,687.98 and 492,630,623.34
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Solution
The fourth proportional to 910,318,338.06, 1,256,234,687.98 and 492,630,623.34 is: 679,827,760.82
Step by Step Solution
- Step 1: Write the proportion equation
910,318,338.06 : 1,256,234,687.98 = 492,630,623.34 : x - Step 2: Convert to fraction form
910,318,338.06/1,256,234,687.98 = 492,630,623.34/x - Step 3: Cross multiply
910,318,338.06x = 1,256,234,687.98 × 492,630,623.34 - Step 4: Simplify right side
910,318,338.06x = 618,859,677,400,917,760 - Step 5: Solve for x
x = 618,859,677,400,917,760/910,318,338.06 - Step 6: Final answer
x = 679,827,760.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.